China has a reasonable claim to Outer Manchuria, which includes Vladivostok; the treaties giving it up were signed under duress. But that's a far cry from all

China has a reasonable claim to Outer Manchuria, which includes Vladivostok; the treaties giving it up were signed under duress. But that's a far cry from all of Siberia. Siberia has not been treated well by the Russian or Soviet empires, but many non-Han territories have also been treated poorly by Chinese Empire. Siberia is likely better off independent.